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Flags
25407: Step Start Flag; turns ON for one cycle when STEP(08) is executed and
can be used to reset counters in steps as shown below if necessary.
SNXT(09) 01000
CP
R
CNT 01
#0003
00000
00100
25407
STEP(08) 01000
1 cycle
25407
01000
Start
Address
Instruction
Operands
Address
Instruction
Operands
00000
LD
00000
00001
SNXT(09)
01000
00002
STEP(08)
01000
00003
LD
00100
00004
LD
25407
00005
CNT
01
#
0003
Examples
The following three examples demonstrate the three types of execution control
possible with step programming. Example 1 demonstrates sequential execu-
tion; example 2, branching execution; and example 3, parallel execution.
The following process requires that three processes, loading, part installation,
and inspection/discharge, be executed in sequence with each process being re-
set before continuing on the the next process. Various sensors (SW1, SW2,
SW3, and SW4) are positioned to signal when processes are to start and end.
SW 1
SW 2
SW 3
SW 4
Loading
Part installation
Inspection/discharge
Example 1:
Sequential Execution
Step Instructions
Section 5-24
Содержание SYSMAC C200HS
Страница 1: ...Cat No W235 E1 05 C200HS SYSMAC Programmable Controllers...
Страница 2: ...C200HS Programmable Controllers Operation Manual Revised February 2002...
Страница 3: ...iv...
Страница 5: ...vi...
Страница 379: ...371 SR word Corresponding key s Bit 279 03 04 05 3 06 07 VER 08 09 Monitoring Operation and Modifying Data Section 7 1...
Страница 470: ...468 Programmer Program Date Page Word Contents Notes Word Contents Notes Data Storage...
Страница 471: ...469 Programmer Program Date Page TC address T or C Set value Notes TC address T or C Set value Notes Timers and Counters...